[xzin0vich]

https://www.shodan.io/ - Search for devices connected to the internet and their vulnerabilities
https://prowl.lupovis.io/ - Free IP search & identifications of IoC and IoA
https://intelx.io/ - Search engine for data archives.
https://netlas.io/ - Search and monitor devices connected to the internet
https://urlscan.io/ - Scan a website incoming and outgoing links and assets
https://fullhunt.io/ - Identify an attack surface
https://www.zoomeye.org/ - Cyberspace search engine, users can search for network devices
https://leakix.net/ - Identify public data leaks
https://www.greynoise.io/ - Search for devices connected to the internet.
https://search.censys.io/ - Get information about devices connected to the internet
https://epieos.com/ - Search for email addresses and phone number 

[annorevoke_happier]

thanks for the tips